Clinical trials: Contraction
Post Activation Potentiation
Effects of Eccentric Potentiation Activation on Muscle Function
The purpose of this study is to examine the potentiation effects of 2 sets of multi-joint eccentric overload maximal contractions on muscle function.
- Trial name
- NCT05606276
- Testing
- Eccentric Exercise, Cycle ergometer
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Brennan Thompson
Knee Osteoarthritis, Osteearthritis
Effect of 0° and 50° N-K Table Load Angles on Quadriceps Activation in Knee Osteoarthritis
Knee osteoarthritis (OA) is a common degenerative joint disease that leads to pain, reduced mobility, and functional limitation. Quadriceps femoris weakness plays a significant role in disease progression and disability.
- Trial name
- NCT07456254
- Testing
- Isotonic Quadriceps Exercise Using NK Table
- Where
- Indonesia
- Volunteers
- 43 people, healthy volunteers welcome
- Sponsor
- Universitas Indonesia
Corticospinal Plasticity, Neuromuscular Plasticity
Study of the Reaction of the Brain to Various Stimulations
Physical activity is considered a therapeutic strategy in its own right in a vast majority of disabling chronic disorders. It leads to an increase in physical and probably cognitive capacity, thanks to its effects on both…
- Trial name
- NCT03334526
- Testing
- physical training, mental training, electrical stimulation
- Where
- France
- Volunteers
- 174 people, healthy volunteers welcome
- Sponsor
- Centre Hospitalier Universitaire Dijon
Athletes
The Acute Effects of Combined Caffeine and Sodium Bicarbonate Consumption on Isometric Mid-thigh Pull
The aim of this study was to investigate the effects of isolated and combined caffeine and sodium bicarbonate consumption on acute isometric mid-thigh pull (IMTP) strength, and verify whether they are cumulative, neutral or…
- Trial name
- NCT05883046
- Testing
- Performance-Enhancing Substances, Baseline (Control)
- Where
- Turkey (Türkiye)
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- Bozok University
Education, Contraction
Muscle Activation Learning Techniques
The aim of this study was to evaluate the effects of different muscle activation learning techniques-taught to university students with no prior training in this area-on academic achievement and perceived learning.
- Conditions
- Education, Contraction, Muscle Activation, Biofeedback Training
- Trial name
- NCT07870382
- Testing
- verbal education, verbal education+ palpation, verbal education+ palpation+ EMG Biofeedback
- Where
- Turkey (Türkiye)
- Volunteers
- 54 people, healthy volunteers welcome
- Sponsor
- Necmettin Erbakan University
Postpartum Hemorrhage
Effect of Ephedrine, Phenylepinephrine, and Norepinephrine on Myometrial Contractility in Pregnant People With Type II and Gestational Diabetes During Cesarean Section: An In-vitro Study
The goal of this study is to learn about how medication that is used to help treat low blood pressure during a Cesarean delivery (CD) can cause changes to the uterine muscle tissue and its ability to contract, in patients with…
- Trial name
- NCT06285396
- Testing
- Ephedrine, Phenylephrine, Norepinephrine
- Where
- Canada
- Volunteers
- 96 people, healthy volunteers welcome
- Sponsor
- Samuel Lunenfeld Research Institute, Mount Sinai Hospital
Abdominal Muscles
Expert vs. Non-expert Abdominal Electromyographic Control in Vojta Therapy
Randomized clinical trial on a cohort of healthy subjects of legal age, of both sexes, recruited from the university community and who will be randomly distributed into two groups (expert therapist vs. non-expert therapist).
- Trial name
- NCT06159426
- Testing
- Vojta Therapy
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University of Salamanca
Dietary Supplements, Healthy
Nitrate Supplementation on Motor Unit Activity
This study aimed to assess if nitrate supplementation influence motor unit (MU) activity following a sustained ischemic contraction and whether this is affected by blood flow restriction (BFR) during the recovery period.
- Trial name
- NCT05993715
- Testing
- Nitrate supplementation
- Where
- United Kingdom
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- Northumbria University
Chronic Ankle Instability
Muscle Strength Assessment in Patients With Chronic Ankle Instability
Patients with chronic ankle instability (CAI) show biomechanical and neuromuscular alterations during the performance of functional movements not only at the ankle joint level, but also in more proximal joints and segments.
- Trial name
- KNEE-CAI (NCT05273177)
- Testing
- Chronic ankle instability
- Where
- Italy
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Istituto Ortopedico Rizzoli
Evaluation of Muscle Contraction in People With PD
EMG to Detect and Monitor Freezing of Gait Among People With Parkinson's Disease
The main goal of this study is to evaluate, via EMG (electromyography) system, the muscle activity in the lower limbs, to understand the contribution of the muscle activity to FOG (freezing of gait) in Parkinson's patients.
- Trial name
- NCT05693207
- Testing
- EMG
- Where
- Israel
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Tel-Aviv Sourasky Medical Center
Uterine Contractions; Prolonged, Fetal Heart Rate or Rhythm Abnormality Affecting Fetus
A Home Telemonitoring System for Wearable Fetal-ECG and EHG Acquisition During Pregnancy
The goal of this observational is to compare in describing fetal health conditions. The main questions it aims to answer are: fetal electrocardiogram (fetal heart rate and fetal rhythm) electrohysterography (uterine…
- Conditions
- Uterine Contractions; Prolonged, Fetal Heart Rate or Rhythm Abnormality Affecting Fetus, Pregnancy Related, Home Range
- Trial name
- AHTSWFEADP (NCT06031142)
- Testing
- use wearable devices to monitoring fetal health conditions.
- Where
- China
- Volunteers
- 4 people, healthy volunteers welcome
- Sponsor
- Fudan University
Preterm Contractions
Uterine Contractions Under Blue Light
The objective in the current study is to test the hypothesis that nocturnal uterine contractions in preterm women can be suppressed by brief ocular exposure to blue light.The Olcese lab at Florida State University identified a…
- Trial name
- NCT03691740
- Testing
- Ocular light
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of South Florida
Premature Ventricular Contraction (PVC)
Use of Adenosine to Determine the Electrophysiological Mechanism of Premature Ventricular Contractions
Unblinded, controlled, non-randomized, mechanistic study to determine whether physiological mechanisms underlying PVC are sensitive to adenosine.
- Trial name
- NCT03218137
- Testing
- Adenosine
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Weill Medical College of Cornell University
Sarcopenia, Elderly
Alternative to Gait Speed in Sarcopenia Assessment
This study aims to assess the reliability of the Elbow Performance Test as an upper extremity-based alternative for evaluating sarcopenia severity.
- Trial name
- NCT07065448
- Testing
- physical performance tests
- Where
- Turkey (Türkiye)
- Volunteers
- 96 people, healthy volunteers welcome
- Sponsor
- Istanbul Physical Medicine Rehabilitation Training and Research Hospital
Healthy Volunteers
Hamstring/Quadriceps Ratio in CrossFit
Crossfit® is a high-intensity physical training plan based on a program that includes exercises such as running, weight lifting and gymnastic movements.
- Trial name
- HQCROSS (NCT05500729)
- Testing
- Hamstrings maximal voluntary isometric contraction., Quadriceps maximal voluntary isometric contraction
- Where
- Argentina
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Camila Velo Etcheverry
Muscle Oxygenation
Evaluation of Muscle Oxygen With MRI
Demonstration of soft tissue hypoxia on MRI using external compression and muscle contraction.
- Trial name
- NCT07638384
- Testing
- Compression and Contraction
- Where
- United States
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- Icahn School of Medicine at Mount Sinai
Pre Term Labor, Multiple Pregnancy
Study to Support Fetal Heart Rate and Uterine Contraction for Preterm Labor in Singleton and Multiple Pregnancies
The purpose of this study is to compare the Monica AN24 fetal monitor to previously FDA approved devices for Fetal Heart Rate and Uterine Contractions in labor for Multiples and pre term labor.
- Trial name
- NCT01360905
- Where
- United States
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- Monica Healthcare Ltd
Tocolysis
Bryophyllum vs. Nifedipine
In a prospective, randomised study the efficacy and tolerability of bryophyllum p. (p.o) vs. nifedipine (p.o) will be proofed in a defined group of pregnant women with threatened preterm labour.
- Trial name
- NCT00391339
- Testing
- Bryophyllum p.
- Where
- Switzerland
- Volunteers
- 140 people, healthy volunteers welcome
- Sponsor
- Weleda AG
Healthy Adult Participants
Geko® T3 One vs Two Study
The primary objective of this study to assess the haemodynamic effects of unilateral and bilateral geko® T3 stimulation on lower-limb circulation, measured by femoral artery and vein blood flow.
- Trial name
- NCT07849257
- Testing
- NMES
- Where
- United Kingdom
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Kieron.Day
Abnormally Decreased Muscle Contraction
Abdominal Wall Evaluation in Low Back Pain
The purpose of this study was to evaluate feed-forward contraction of the transversus abdominis and thickness of the transversus abdominis, obliquus internus, and obliquus externus during calm and standardized respiration in low…
- Trial name
- NCT01488760
- Where
- Brazil
- Volunteers
- 39 people, healthy volunteers welcome
- Sponsor
- University of Sao Paulo General Hospital